Age Calculator
Calculate your exact age in years, months, and days. Find your birth weekday and countdown to your next birthday.
Frequently Asked Questions
How is exact age calculated?
We calculate the difference between your date of birth and today's date, breaking it down into complete years, remaining months, and remaining days.
What day of the week was I born?
Enter your birthdate and our calculator will show you the exact weekday you were born on.
How Age Is Calculated
Your exact age is computed by counting complete years, then remaining months, then remaining days from your birthday to today. The birth weekday is determined using the Julian Day Number algorithm, which is astronomically precise. Read our methodology.
About This Tool
This age calculator tells you your exact age in years, months, and days, along with the total number of days you've been alive. It also reveals the day of the week you were born and counts down to your next birthday — perfect for curiosity, official forms, or celebrating milestones.